var keyStr = "ABCDEFGHIJKLMNOP" +
"QRSTUVWXYZabcdef" +
"ghijklmnopqrstuv" +
"wxyz0123456789+/" +
"=";
//china.alibaba.com  feedback trace of contact
//param:toid=接收会员Id&fromid=查看会员Id&sourcetype=sourceType&categoryId=行业类目
function feedback_contacttrace(obj,param)
{
var feedbackUrl="http://page.china.alibaba.com/shtml/static/forfeedbacklog.html";
if(param.indexOf("?")>-1){
feedbackUrl=feedbackUrl+param;
}else{
feedbackUrl=feedbackUrl+"?"+param;
}
//
var cosite = "";
try{
cosite = document.cookie.match(/track_cookie[^;]*cosite=(\w+)/)[1];
}
catch(e){}
if(cosite.length > 0){
feedbackUrl=feedbackUrl+"&fromsite=" + cosite;
}
beacon_click(obj,feedbackUrl,'-');
if(document.images){
var d = new Date();
//(new Image()).src=feedbackUrl + "&time=" + d.getTime();
new Image().src=feedbackUrl + "&time=" + d.getTime();
}
return true;
}
function beacon_click(u,param,refer)
{
try
{
var brefer = refer;
if(brefer == "-")
{
brefer = encodeURI(document.URL);
}
d = new Date();
var profile_site=2;
var url;
if(param.indexOf("http://")>=0)
{
url=  param.substr(6);
}
var method ="GET";
var cookie= allCookie();
var total="p="+profile_site+"&u={"+url+"}&m={"+method+"}&s={200}&r={"+brefer+"}&a={"+cookie+"}&b={-}&c={-}";
var base64_total =encode64(total);
if(document.images)
{
new Image().src="http://dmtracking.alibaba.com/c.jpg?"+base64_total+"&time="+d.getTime();
}
}
catch(e)
{
}
}
function encode64(input) {
input = escape(input);
var output = "";
var chr1, chr2, chr3 = "";
var enc1, enc2, enc3, enc4 = "";
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output +
keyStr.charAt(enc1) +
keyStr.charAt(enc2) +
keyStr.charAt(enc3) +
keyStr.charAt(enc4);
chr1 = chr2 = chr3 = "";
enc1 = enc2 = enc3 = enc4 = "";
} while (i < input.length);
return output;
}
function allCookie(){
var apache_a="-";
var cookie = document.cookie;
if(cookie.length == 0){
cookie = "-";
return apache_a;
}
try{
var arr = cookie.split(";");
for(var i =0 ; i< arr.length ;i++)
{
if(arr[i].indexOf("ali_apache_track=")>=0)
{
if(arr[i].length <20 )
{
return apache_a;
}
else
{
apache_a = arr[i].substring(18);
}
break;
}
}
}
catch(e){
return "-";
}
return apache_a;
}